RU Callsign system changes

If you have been on the HF bands lately, you may have noticed that a number of new prefixes are in use by stations in the Russian Federation. Here is a summary of the changes recently adopted by the Russian telecommunication authorities. * Russian prefixes with the numeral 2 are no longer limited to Kaliningradsk.…

Sun wakes up from sleep

Sun wakes up from sleep for busiest sunspot cycle in years and threatens to disrupt Earth communications and power.   This astonishing sequence of images shows a dramatic ‘flare’ bursting out from the sun which could affect satellite communications and power supplies here on Earth. The spectacular development unleashed a radiation firestorm on a level…

Who is Mr. 4S7DXG ?

4S7VK wrote to DXWorld.net: Ministry of Defense is conducting an investigation into the operations and conduct of Ivan Borazanko 4S7DXG/UR9IDX after the Radio Society of Sri Lanka made representations to the authorities. It is established by the authorities that he smuggled in transmitting equipment into the country which is a criminal offense, and was never…